FIG. 3 in A new Nitzschia Hassall species (Bacillariaceae, Bacillariophyta) from saline ponds in Serbia

FIG. 3. — Nitzschia haloserbica Vidaković, Ector, C.E.Wetzel & Krizmanić, sp. nov., SEM images taken from the type material (Bela Bara saline pond): A, C, E, SEM views of a frustule in valve view; B, SEM internal view of two valves from the same frustule; D, SEM internal view of the center of the valve with fibulae regularly distributed; F, SEM internal view of valve apex with helictoglossa and raphe; G, SEM internal detail view of valve apex with helictoglossa. Scale bars: A-C, 5 µm; D, G, 1 µm; E, 3 µm; F, 2 µm.图3 —— 新种盐生菱形藻（Nitzschia haloserbica Vidaković, Ector, C.E.Wetzel & Krizmanić, sp. nov.），取自模式标本（贝拉巴拉盐塘）的扫描电子显微镜（Scanning Electron Microscope, SEM）图像：A、C、E为瓣面观下的硅质壳体；B为同一硅质壳两枚瓣片的内部扫描视图；D为壳面中部的内部视图，可见规则分布的壳肋；F为壳面顶端的内部视图，带有钩状壳缝突与壳缝；G为壳面顶端带钩状壳缝突的内部细节视图。比例尺：A~C为5 μm；D、G为1 μm；E为3 μm；F为2 μm。